:root{--primary: #3370ff;--primary-light: #e8f0ff;--primary-dark: #245bdb;--bg: #f5f6f7;--surface: #ffffff;--border: #e5e6eb;--border-light: #f0f1f3;--text: #1f2329;--text-secondary: #646a73;--text-muted: #8f959e;--danger: #f54a45;--success: #34c759;--warning: #f7ba1e;--sidebar-width: 220px;--radius: 8px;--radius-sm: 4px;--shadow: 0 1px 3px rgba(0,0,0,.08);--shadow-lg: 0 4px 12px rgba(0,0,0,.12)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:14px;color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}.app{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}.sidebar-header{padding:20px 16px;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--border)}.sidebar-icon{font-size:22px}.sidebar-title{font-size:15px;font-weight:600;color:var(--text)}.sidebar-nav{flex:1;padding:12px 8px}.nav-link{display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:var(--radius);color:var(--text-secondary);text-decoration:none;font-size:14px;transition:all .15s;margin-bottom:2px}.nav-link:hover{background:var(--border-light);color:var(--text)}.nav-link.active{background:var(--primary-light);color:var(--primary);font-weight:500}.nav-icon{font-size:16px;width:20px;text-align:center}.sidebar-footer{padding:16px;font-size:11px;color:var(--text-muted);border-top:1px solid var(--border);text-align:center}.main-content{flex:1;margin-left:var(--sidebar-width);padding:24px;min-height:100vh}.card{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);padding:20px;margin-bottom:16px;box-shadow:var(--shadow)}.card-title{font-size:16px;font-weight:600;margin-bottom:16px;color:var(--text)}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:13px;cursor:pointer;transition:all .15s;font-family:inherit;white-space:nowrap}.btn:hover{background:var(--border-light)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover{background:var(--primary-dark)}.btn-danger{background:var(--danger);color:#fff;border-color:var(--danger)}.btn-danger:hover{opacity:.9}.btn-sm{padding:4px 10px;font-size:12px}.btn-lg{padding:10px 24px;font-size:15px}.input{padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;font-family:inherit;outline:none;transition:border-color .15s;width:100%}.input:focus{border-color:var(--primary)}.select{padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;font-family:inherit;outline:none;background:#fff;cursor:pointer;min-width:160px}.select:focus{border-color:var(--primary)}.badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:11px;font-weight:500}.badge-blue{background:var(--primary-light);color:var(--primary)}.badge-gray{background:#f0f1f3;color:var(--text-secondary)}.data-table{width:100%;border-collapse:collapse;font-size:13px}.data-table th,.data-table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border-light)}.data-table th{background:#fafafa;font-weight:600;color:var(--text-secondary);font-size:12px;position:sticky;top:0}.data-table tr:hover td{background:#fafbfc}.data-table td{color:var(--text)}.checkbox{width:16px;height:16px;cursor:pointer;accent-color:var(--primary)}.form-group{margin-bottom:16px}.form-label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.form-row{display:flex;gap:12px;align-items:flex-end}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state-icon{font-size:48px;margin-bottom:16px}.empty-state-title{font-size:16px;color:var(--text-secondary);margin-bottom:8px}.empty-state-desc{font-size:13px}.loading{display:flex;align-items:center;justify-content:center;padding:40px;color:var(--text-muted)}.spinner{width:24px;height:24px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite;margin-right:10px}@keyframes spin{to{transform:rotate(360deg)}}.tag{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;background:#f0f1f3;border-radius:4px;font-size:12px;color:var(--text-secondary)}.tag-remove{cursor:pointer;font-size:14px;line-height:1;opacity:.5}.tag-remove:hover{opacity:1}.template-editor{display:grid;grid-template-columns:260px 1fr 260px;gap:16px;min-height:calc(100vh - 72px)}.field-palette,.field-config{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;height:fit-content;position:sticky;top:24px}.field-palette-title,.field-config-title{font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:12px;text-transform:uppercase;letter-spacing:.5px}.field-chip{display:inline-flex;align-items:center;gap:4px;padding:6px 10px;background:var(--primary-light);color:var(--primary);border-radius:var(--radius-sm);font-size:12px;cursor:grab;margin:0 4px 6px 0;-webkit-user-select:none;user-select:none;transition:all .15s}.field-chip:hover{background:#d1e3ff}.field-chip.dragging{opacity:.5}.field-chip.placed{background:#f0f1f3;color:var(--text-secondary)}.template-canvas{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;min-height:600px}.canvas-dropzone{border:2px dashed var(--border);border-radius:var(--radius);padding:20px;min-height:400px;display:flex;flex-wrap:wrap;gap:12px;align-content:flex-start;transition:border-color .15s}.canvas-dropzone.dragover{border-color:var(--primary);background:var(--primary-light)}.canvas-field{background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px;min-width:150px;flex:1 1 calc(50% - 6px);max-width:calc(50% - 6px);position:relative;cursor:move}.canvas-field:hover{box-shadow:var(--shadow)}.canvas-field-label{font-size:11px;color:var(--text-muted);margin-bottom:4px}.canvas-field-name{font-size:14px;font-weight:500;color:var(--text)}.canvas-field-remove{position:absolute;top:4px;right:6px;cursor:pointer;color:var(--text-muted);font-size:16px;line-height:1}.canvas-field-remove:hover{color:var(--danger)}.print-preview-frame{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px;min-height:600px;box-shadow:var(--shadow-lg);max-width:210mm;margin:0 auto}.print-toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;padding:12px 16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}.pagination{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:13px;color:var(--text-secondary)}.pagination .btn{padding:4px 10px;font-size:12px}.toast{position:fixed;top:20px;right:20px;padding:12px 20px;background:var(--text);color:#fff;border-radius:var(--radius);font-size:13px;z-index:1000;animation:slideIn .3s ease;box-shadow:var(--shadow-lg)}@keyframes slideIn{0%{transform:translate(100%);opacity:0}}@media print{.sidebar,.print-toolbar,.no-print{display:none!important}.main-content{margin:0!important;padding:0!important}.print-preview-frame{box-shadow:none;border:none;max-width:none}}.prop-input{width:100%;padding:4px 6px;border:1px solid var(--border);border-radius:3px;font-size:12px;font-family:inherit;outline:none}.prop-input:focus{border-color:var(--primary)}.prop-textarea{width:100%;padding:4px 6px;border:1px solid var(--border);border-radius:3px;font-size:12px;font-family:inherit;outline:none;resize:vertical}.prop-textarea:focus{border-color:var(--primary)}.prop-select{width:100%;padding:4px 6px;border:1px solid var(--border);border-radius:3px;font-size:12px;background:#fff;outline:none}.prop-select:focus{border-color:var(--primary)}.prop-panel-empty{display:flex;align-items:center;justify-content:center;height:200px}